Willis adolphus ing-alls and theodore s



W. A. INGALLS 85 T. S. BARON.

(NQ Model.)

CIRCULAR KNITTING MACHINE.

A TTOHNE YS.

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iVlLLlS ADOLPHUS NGALLS AND THEODORE S. BARON, OF BROOKLYN, NEW YORK, ASSIGNORS TO BARON, STRAUS & CO., OF SAME PLACE.

CIRCULAR-KNITTiNG MACl-HNE.

SPECIFICATION forming part of Letters Patent No. 597,288, dated January 11, 1898.

Application filed July 3l, 1897. SerialrNo. 646,649. (No model.)

To @ZZ whom, it may concern.-

Be it known that we, WILLIS ADOLPHUS INGALLS, a subject of the Queen of Great Britain, and Tnnononn SAMUEL BARON, a

5 citizen of the United States, residing in Brook lyn, in the county of Kings and State of New York, have invented a new and ImprovedOircular-Knitting Machine, of which the following is a full, clear, and exact description.

1o The object of the invention is to provide'a new and improved circular-knitting machine, more especially design ed for producing ribbed knit fabrics having a covering or backing of `woolen yarns or silk threads interlaced with the body of the fabric and formed with fioatin g open loops adapted to be tleeced or napped, such fabric being fully shown and described in the application for Letters Patent of the United States filed by us of even date here-V 2o with.

The invention consists principally of slidable hooks outside the vertical needles and operated by cams for bringing an extra thread from the outside of the machine over the hori- 2 5 zontal needles back of the latches and down between such needles to interlace the thread with the fabric-body and form open loops on one surface of the said body.

The invention also consists of certain parts 3o and details and combinations of the same, as will be fully described,hereinafter and then pointed out in the claims.

Reference is to he had to the accompanying drawings, forming a part of this specification,

3 5 in which similar characters of reference indicate corresponding parts in all the figures.

Figure l is a sectional side elevation of the improvement. Fig. 2 isan enlarged sectional side elevation of part of the improvement, showing the hook in position for drawing the yarn thread or silk thread down between the horizontal needles. Fig. 3 is a perspective view of part of the improvement, showing the horizontal needles, the vertical needles, and hooks in various positions. Fig. 4 is a per spective view of the improvement, showing the interlacing of the backing-yarn' by the hooks and needles; and Fig. 5 is an enlarged face view of the fabric with the hooks and needles in place.

The improved knittingnnachine is provided with a suitable machine-bed A and a stationary needlecylinder B, containing the vertical needles C, actuated by a revoluble needlecam D, the said vertical needles O operating in conjunction with the horizontal needles E and in the usual manner to form the ordinary ribbed fabric. The horizontal needles E are contained in a stationary needle-dial F and are actuated by a revoluble cam G, driven 6o from the main shaft H by gear-wheels G' H', as is plainly shown in Fig. l, the said cam G being rigidly connected with the other cam D, so that both rotate in unison.

The parts so far described are of the usual construction found in this class of machines, and the operation thereof for forming the fabric is so well known that further description of the same is not deemed necessary.

- Outside of the needle-cylinder B is arranged 7o a stationary frustoconical hook-bed I, containing the hooks J, adapted to be actuated by a revoluble hook-cam K, carried around by a ring L, mounted on the under side of the bed A and carrying a cast-off cam N for casting the loops od the horizontal needles E, as hereinafter more fully described.

The ring L is provided on its Aunder side with a geanwheel L', in mesh with a gearwheel H2, secured on the main shaft H, so 8o that when the latter is rotated and motion is given to the cams G and D, as previously described, then a like rotary motion is given to the ring L and the hook-cam l to move the hooks J in unison with the needles() and E. A thread-carrier O is employed for bringing an extra yarn or sill; thread c from the ontside of the machine over the horizontal needles E, and this carrier O delivers the threads to the upper or hook ends of the hooks J, so 9o that the latter on their downward movement draw the extra thread over the said needles with a portion of the extra thread passing down between the adjacent needles, as plainly indicated in Fig. 3.

1When the machine is in operation, the horizontal needles E and the vertical needles O form the fabric in the usual manner, with the outer Wale a and the inner Wale h as is plainly indicated in Fig. 5, and at the saine time the roo hooks J draw the extra thread downward over the horizontal needles E in the rear of the loops on the said needles, as is plainly shown in Fig. 3, the said hooks passing downward such distance as to draw a portion of the extra thread a suitable distance down between the adjacent needles E to form an open loop between the outer Wales a, as is plainly shown in Fig. 5, the distance of such downward movement of the hooks J being controlled by the cam K. The two loops on the horizontal needles are simultaneously cast off by the cam N, so that the extra thread cis interlaced in the fabric at the lower end of one loop and in front of the upper end of the next adjoining loop lying in the same outer Wale, as is plainly indicated in Fig. 5.

The machine is provided with the usual devices'P P for actuating the latches of the' vertical and horizontal needles C and E. (See Fig. 2.)

It will thus be seen that a ribbed fabric will be produced having a facing or backing on one side, the loops of which do not cover the wales of the fabric, but lie therebetween, and which will be interlaced in the backs of the said wales and extend over the backs of the wales on the opposite side of `the fabric, whereby the fabric will be reinforced and at the same time the threads concealed and pre= tected. It will also be seen that owing to the length of the loops and the fact that they do not overlie the wales of the fabric they can be readily tieeced or napped without injury to the said wales. v

By arranging the attachment on the outside of the machine instead of on the inside, as heretofore, the work can be inspected at any time, and in case the thread breaks it can be rethreaded into the carrier or guide without difficulty and Without interfering with the body of the fabric. This arrangement also permits a broken needle to be removed and replaced by another without interfering with or deranging any part of the machine or fabric.

The terms inner and outer,7 herein applied to the wales of the fabric, are relatively used and f or convenience in describing them with respect to the position they occupy in the machine during the course of manufacture of the fabric. It will of course, however, be understood that the facing or backing will be formed upon the surface of the fabric which will be the inner surface of the article, and consequently inner and outer when applied to the wales of the completed fabric or article will be reversed from that herein used in describing the fabric during its course of construction-that is to say, in the completed v fabric or article the inner wale will be what has been termed the outer and the outer the inner.

Having thus fully described our invention, we claim as new and desire to secure by Letters Patentl. In a circular-knitting machine, the combination with the vertical and horizontal needles, and means for operating them, of recip rocatin g hooks outside of the lvertical needles and Working between the horizontal needles, and means for operating the hooks positively in both directions, as and for the purpose set forth.

2. A knittingmachine having a set of Vertical needles, a set of horizontal needles, cams for the said needles to actuate the same and produce a ribbed knit fabric, a set of slidable hooks outside of the vertical needles and below the horizontal needles, and a cam for ac` tuating the said hooks in conjunction with the said needles to interlace an extra thread with the meshes produced by the said needles on one face of the fabric, substantially as shown and described.

3. In a circular-knitting machine, the combination with the vertical and horizontal needles, and cams for operating them, of a bed outside of the vertical-needle cylinder, hooks carried by the bed and adapted to project between the horizontal needles, a cam for operating said hooks, and means for operating said cam in unison with the cams of the Vertical and horizontal needles, substantially as described.

4. In a circular-knitting machine, the combination with the machine-bed, a drivingshaft, vertical and horizontal needles, and cams for operating the said needles, said cams being operated from the drive-shaft, of a frusto-conical bed outside of the verticalneedle cylinder, hooks carried by the bed and adapted to project between the horizontal needles, a cam` for operating the hooks, a ring on the under side of the machine-bed, said ring being connected with the hook-operating cam and operated from the drive-shaft, and a cast-off cam carried by the said ring, substantially as herein shown and described.

5. In a circular-knitting machine, the combination with the vertical-needle cylinder, and the horizontal-needle dial, 'of a bed surrounding the vertical-needle cylinder below the horizontal-needle dial, hooks on the outer surface of the bed, and a revoluble cam surrounding the bed and operating the hooks in both directions, substantially as described.

WILLIS ADOLPHUS INGALLS. THEODORE S. BARON. Witnesses:

E. BARTscH, MAX H. STRAUS.

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